- 1/4 cup fresh lime juice
- 2 tablespoons olive oil
- 1 clove garlic, minced, or more to taste
- 1 tablespoon soy sauce
- 1 teaspoon spicy brown mustard
- 1/4 teaspoon salt
- 1/4 teaspoon ground black pepper
- 2 (4 ounce) fillets mahi mahi
- Preheat grill for medium heat and lightly oil the grate.
- Whisk lime juice, olive oil, garlic, soy sauce, mustard, salt, and pepper together in a bowl; brush over mahi mahi to coat.
- Bake on the preheated grill for 5 minutes, flip, brush again with the lime juice mixture, and continue grilling until the fish flakes easily with a fork, about 5 minutes more.